Home / 1,068,940.20-1,603,410.30-998,437.80

Finding the Fourth Proportional to 1,068,940.20, 1,603,410.30 and 998,437.80

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Solution

The fourth proportional to 1,068,940.20, 1,603,410.30 and 998,437.80 is: 1,497,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,940.20 : 1,603,410.30 = 998,437.80 : x
  2. Step 2: Convert to fraction form
    1,068,940.20/1,603,410.30 = 998,437.80/x
  3. Step 3: Cross multiply
    1,068,940.20x = 1,603,410.30 × 998,437.80
  4. Step 4: Simplify right side
    1,068,940.20x = 1,600,905,452,429.34
  5. Step 5: Solve for x
    x = 1,600,905,452,429.34/1,068,940.20
  6. Step 6: Final answer
    x = 1,497,656.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.